螺丝种类附件一.doc

电镀产品种类 蓝锌白锌五彩黑锌+防锈油黑锌+Lacquer涂装镀镍镀红铜镀黄铜镀锡镀铬镀古铜不锈钢清洗基本头型P 头B 头V 头R 头T 头O 头C 头F 头I 头喇叭头H 头IP 头基本槽型十字槽十一槽一字槽梅花槽内六角槽米字槽精密机械牙小螺丝 *种类1. 精密小螺丝 ( 1.4 = d 2.6 ) 2. 特殊极微小螺丝 ( d 1.4 ) .*头型*螺丝公差1. 精密小螺丝 ( 1.4 = d 2.6 )公称直径螺 距外 径有效径最 小最 大最 小最 大M1.40.31.3201.4001.1351.205M1.60.351.4961.6001.2911.373M1.70.351.6101.7001.3931.473M2.00.41.8902.0001.6601.740M2.30.42.1902.3001.9602.040M2.50.452.3802.5002.1182.208M2.60.452.4802.6002.2182.3082. 特殊极微小螺丝 ( d 1.4 )公称直径螺 距外 径长 度标准尺寸公 差范围公差0.60.150.6000.05 0.8600.150.70.1750.700.870.80.20.800.880.90.2250.900.891.00.251.000.8101.20.251.2000.061.51.000.2精密自攻牙小螺丝1. S Type公称直径螺距外 径先端部推拨长度CDd1E最小最大最小最大最小最大最小最大1.40.31.371.431.311.370.811.010.601.101.60.351.571.631.501.560.931.150.751.251.70.351.671.731.601.661.051.250.751.252.00.41.962.041.881.961.281.481.001.502.50.452.472.552.382.461.661.831.752.252.B Type公称直径 螺距外 径先端部推拨长度CDd1E最小最大最小最大最小最大最小最大1.40.451.371.431.311.370.720.920.601.101.60.51.571.631.501.560.8461.0460.751.251.70.51.671.731.601.660.9461.1460.751.252.00.6351.962.041.881.961.161.361.001.502.50.92.462.542.372.451.551.751.752.253.P Type公称直径外 径CD最小最大最小最大1.4(1.40)(1.46)(1.34)(1.40)1.7(1.70)(1.77)(1.63)(1.70)2.02.022.121.942.042.52.532.632.442.544. Power-Lock公称直径外 径CD最小最大最小最大1.40.31.521.361.461.60.351.721.551.651.70.351.821.651.752.00.42.151.972.075. PS Type ( Different From P Type )公称直径外 径CD最小最大最小最大1.4(1.40)(1.46)(1.34)(1.40)1.7(1.70)(1.77)(1.63)(1.70)2.02.022.121.942.042.52.532.632.442.54B 型螺丝特点：标准三角牙螺丝，是最符合常规铁板或塑料锁附的螺丝。 *图形*螺纹公差公称直径牙数外径先端部先端部长度C mmD mmC mm最大最小最大最小最大最小最大最小2402.041.961.961.881.461.261.61.22.3322.342.262.262.181.761.562.01.52.6282.642.562.552.471.941.742.31.83243.052.952.952.852.252.052.72.13.5203.553.453.463.342.652.453.22.54184.053.953.913.813.002.803.62.85165.064.944.904.783.743.444.03.16146.085.925.885.724.524.124.63.68128.107.907.857.656.005.505.34.2*配合孔径（材质钢）0.60.81.01.21.62.02.63.221.551.61.61.61.651.651.72.31.91.01.91.951.951.952.02.02.62.152.152.22.22.22.252.252.332.652.652.652.72.72.72.72.753.53.053.053.053.13.13.13.153.1543.63.63.63.63.653.653.653.6554.54.54.54.554.554.64.665.35.35.45.45.55.587.37.37.37.37.47.4特点：一般可塑性塑料专用自攻锁紧螺丝，锁进速度快，反复使用性好，不引起塑料的烧附，破裂以及锁入口的破损。 *图形 *螺纹公差公称直径牙 距外 径CD最大最小最大最小2.00.794(32)2.122.022.041.942.30.907(28)2.432.332.352.252.51.058(24)2.632.532.542.442.61.058(24)2.732.632.642.543.01.270(20)3.153.033.052.933.51.411(18)3.663.543.573.454.01.583(16)4.164.044.023.905.01.814(14)5.195.055.034.896.02.117(12)6.246.066.045.868.02.540(10)8.308.088.057.93*标准螺纹底孔径 ( 材质-ABS. PP )公称直径材质厚度小于2倍直径材质厚度大于2倍直径21.701.752.32.002.052.52.102.152.62.202.2532.502.603.53.023.1043.443.5554.374.4565.265.35S 型螺丝 特点：具有优异的薄铁板锁附功能，加强锁附点之渗入，使锁附物体不因振动而松懈，其外径比同公称直径之机械牙螺丝大，不可锁入螺帽，但退出后可锁入机械螺丝。 *图形*螺纹公差公称直径螺距外径先端部先端部长度 C mmD mmC mm最大最小最大最小最大最小最大最小20.42.041.961.961.881.581.441.81.42.30.42.342.262.262.181.821.681.81.42.50.452.552.472.462.381.961.792.11.52.60.452.652.572.562.482.051.882.11.530.53.052.972.952.872.442.242.31.73.50.63.563.483.443.362.832.632.72.140.74.073.993.933.853.273.073.22.450.85.085.004.924.844.173.873.62.861.06.106.005.905.804.974.444.53.581.258.138.037.887.786.436.045.74.3*配合孔径（材质钢）0.81.01.21.62.02.63.24.021.71.71.71.71.752.32.02.02.02.02.02.52.22.22.22.22.22.252.62.32.32.32.32.32.352.3532.652.72.72.72.752.752.82.83.53.13.13.13.153.153.23.23.243.63.63.653.653.73.73.73.754.64.64.654.654.654.74.765.45.55.55.55.555.555.687.47.47.47.47.57.57.5机械螺丝成型规格表*JIS 公制粗牙螺纹规格表 ( 6g)规格牙距外径最大最小M20.41.981.89M2.30.42.282.19M2.50.452.482.38M30.52.982.88M3.50.63.473.36M40.73.983.84M4.50.754.474.34M50.84.984.83M61.05.975.82M71.06.976.82M81.257.967.79M91.258.968.79M101.59.969.77*JIS 公制细牙螺纹规格表 ( 6g)规格牙距外径最大最小M40.53.973.86M4.50.54.474.36M50.54.974.86M60.755.975.85M70.756.976.85M81.07.977.83M91.08.978.83M101.259.969.81M101.09.979.82*UNC 英制粗牙螺纹规格表( 2A)规格牙距外径最大最小NO:1641.8381.743NO:2562.1692.066NO:3482.4962.383NO:4402.8242.695NO:5403.1543.026NO:6323.4843.333NO:8324.1423.991NO:10244.8004.618NO:12245.4615.2791 / 4206.3226.117*UNC 英制细牙螺纹规格表 ( 2A)规格牙距外径最大最小NO:2642.1692.073NO:3562.4962.393NO:4482.8272.713NO:5443.1573.036NO:6403.4843.356NO:8364.1454.006NO:10324.8034.651NO:12285.4615.2961 / 4286.3246.160一. 螺纹种类: A: 三角螺纹 ( 60 度 ) : 结合/ 锁紧 B: 管用三角螺纹 ( 55 度 ): 结合/ 锁紧 C: 梯形螺纹 ( 30 or 29 度) : 动力传动 D: 方螺纹 ( 90 度) : 动力传动 二. 常用螺丝种类: A: Machine Screw: 机械螺丝 B: Tapping Screw: 自攻螺丝 (分使用于金属与使用于塑料二种) B-1: Sheet Metal Tapping Screw. (铁板牙自攻螺丝) B-2: Plastic Tapping Screw. ( 塑料用, 自攻螺丝) C: Wooden Screw : 木工螺丝 D: Drywall Screw : 水泥墙螺丝 三. 常见螺丝材质: a.Low Carbon Steel :低碳钢 b. SS-304 : Stainless Steel 304 c. SS-302: Stainless Steel 302 :结构韧性较好 d. Aluminum 5052 :铝合金 5052 d. Brass: 黄铜 e. Bronze: 青铜 f. UNS C11000 Copper: 锑铜 四. 常见螺丝规格与标示: A: 公制螺丝 B: 美规螺丝 C: 英制螺丝 A: 公制机械螺丝: Metric Ex: M3 x 6 P P B : M3 机械螺丝, 6mm 长, 十字, 圆扁头, 镀黑. Finish Code: 外观处理规格 Head Code: 头部外型 Thread Code 螺丝型号 Drive Code: 头部剖沟,特征型号 Length Code: 螺丝长度 (mm) A-1: Thread Code: 螺丝型号 公制螺丝直接以螺丝外径标示螺丝型号, 如M3 即螺丝外径为3.00mm.; M4 即螺丝外径为4.00mm. Metric Thread Size x Pitch: Note: 公制螺丝于螺丝型号后方,有时会注明螺丝牙距. 如M3x0.5 , M4x0.70, M5x0.8 , M6x1. 但因为标准规范, 通常不提. A-2: Length Code: 螺丝长度: 公制螺丝, 直接标示螺丝长度, 单位为mm. 螺丝之总长度标示, 只计算头部以下之长度, 不含头部高度. 但平头螺丝例外, 其螺丝之总长度标示含头部高度. A-3: Drive Code/ 头部剖沟,特征. 一般常用规格如下: a. Slotted: 一字 ( Minus ) b. Phillips: 十字 ( Plus ) c. Phil-Slot: 一字/十字 d. Hex Scoket: 内六角 e. One Way: 单向 (只可锁入,不可退出) A-4: Head Code/ 头部外型. 一般常用规格如下: a. Flat: 平头 (锁入后,顶部与工作件齐平) b. Oval: 色拉头 c. Round: 圆头 d. Pan: 圆扁头 e. Truss: 大圆扁头 f. Hex : 六角头. A-5: Finish Code/ 外观处理. 一般常用规格如下: a. Z: Zine-Plated: 镀锌 b. Ni: Ni-Plated: 镀镍 c. Tin-Plated: 镀锡 d. Zine Plated / Green Iridite: 镀锌绿膜处理. e. Radiant Plated: 镀五彩 f. Passivate: 抗氧化处理. g. Alodial Finish: 无外观处理 公制自攻螺丝 :于品名后方直接标示 Tapping Type. Ex: M3 x 6 PPB, Tapping Type: M3 自攻螺丝, 6mm 长, 十字, 圆扁头, 镀黑. 一般以产品别或标示, 再判断为Sheet Metal 或塑料部品使用. B: 美规螺丝. a.一般以番号标示, 如 #2-56, #4-40, #6-32, #8-32, #10-24etc. b.或以英制外径表示, 如0.086-56, 0.112-40 , 0.138-32 , 0.164-32 , 0.190-24etc. Ex: 632 8 P P B: Finish Code: 外观处理规格 Head Code: 头部外型 Drive Code: 头部剖沟,特征型号 Length Code: 螺丝长度 Thread Code: 螺丝型号 B-1: Thread Code: 螺丝型号 一般常用规格如下: a. #2-56 (0.086-56): 2 番 56 牙 b #4-40 (0.112-40) : 4 番40 牙 c. #6-32 (0.138-32) : 6 番32 牙 d. #8-32 (0.164-32) : 8 番 32 牙 e. #10-24 (0.190-24): 10 番 24 牙 *牙为每吋之牙数.* B-2: Length Code: 螺丝长度 美规螺丝长度须经换算, 才是公制mm 尺寸. 换算公式: (Length Code / 32) x 25.40 = 公制长度mm B-3, B-4,B-5 : 标示方式与公制相同. C: 英制螺丝: C-1: Thread Code: 标示皆将分母为8, 再直接称分子之番号. Ex: 1/8 x 0.50 PPB: 1 分牙螺丝 x 0.50” 长, PPB Ex: 5/16 x 0.50 PPB = 2.5/8 x 0.50-PPB : 2 分半牙螺丝 x 0.50” 长